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DCX showing 4.2-liter Cummins diesel in concept Jeep at SEMA

The wait may finally be over. At SEMA next week, Jeep will be showing a concept Wrangler Unlimited dubbed 50 JK. The Mopar Skunkwerks team beefed up this hardtop four-door Wrangler concept with a four-inch lift, 35-inch tires, and Dana 44 axles. The real beef comes from a new Cummings 4.2-liter V6 diesel under the carbon-fiber hood. The concept will also feature GPS and a full saddle leather interior.

We've been patiently waiting for any hint that DaimlerChrysler will actually put a small diesel into the new Wrangler. There is something magical about a smaller factory off-road vehicle with a diesel engine, straight axles, and the option to remove the top and fold down the front window. If we lived in other parts of the world, this would be a fantasy already fulfilled. Now, with this concept rendering staring us in the face, the dream is finally going to come true for us in the U.S. The quesiton is, how long before we can walk down to a Jeep dealer with our check books out and get a stump-pulling diesel Wrangler of our own?